package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author : wenchao.long
 * @date : Created in 2021/06/23 10:15:44 周三
 * @description :
 *         集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {


    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        BindingResult result = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
        result.getFieldErrors().forEach(item -> map.put(item.getField(), item.getDefaultMessage()));
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        log.error(throwable.getMessage());
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
